ROTARY SHAFT FORCE-UNIFORMING STRUCTURE
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United States of America Patent
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Issued Date -
Jan 30, 2014
app pub date -
Jul 26, 2012
filing date -
Jul 26, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A rotary shaft force-uniforming structure includes a pivot pin and a pivot seat. The pivot pin has at least one pivoted section with a circular cross section. One side of the pivot seat is curled to form an elastic section defining therein a pivotal fitting space for elastically enclosing the pivoted section. A part of the circumferential wall of the pivotal fitting space is formed with a plane straight face, whereby the pivoted section of the pivot pin contacts the circumferential wall of the pivotal fitting space at three contact sections to stably assemble the pivot pin with the pivot seat. Also, the rotary shaft force-uniforming structure always provides a stable resistance against the rotation of the pivot pin. Moreover, when the pivot pin is rotated within the pivotal fitting space, the deformation (expansion or contraction) of the elastic section of the pivot seat is limited.
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